Shop › ARMASPEC SMB BUFFER KIT H3 GEN 3 ARMASPEC SMB BUFFER KIT H3 GEN 3 $86.39 Armaspec SMB Buffer Kit Gen 3, Sound Mitigation Buffer-H3, Fits AR-15, Black ARM268-H3 Quantity: Add To Cart Added! Armaspec SMB Buffer Kit Gen 3, Sound Mitigation Buffer-H3, Fits AR-15, Black ARM268-H3